GB1237335A - Process for the purification of tetrachlorodiane and/or dichlorodiane - Google Patents
Process for the purification of tetrachlorodiane and/or dichlorodianeInfo
- Publication number
- GB1237335A GB1237335A GB5331169A GB5331169A GB1237335A GB 1237335 A GB1237335 A GB 1237335A GB 5331169 A GB5331169 A GB 5331169A GB 5331169 A GB5331169 A GB 5331169A GB 1237335 A GB1237335 A GB 1237335A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dcd
- tcd
- propane
- bis
- aqueous phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/682—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens
- C08G63/6824—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6826—Dicarboxylic acids and dihydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681805920 DE1805920C3 (de) | 1968-10-30 | 1968-10-30 | Verfahren zur Reinigung von durch Chlorierung von 2,2-Bis-(4-hydroxyphenyl)propan erhaltenem 2,2-Bis-(4-hydroxy-3,5dichlorphenyl)-propan |
DE19691946610 DE1946610C3 (de) | 1969-09-15 | 1969-09-15 | Verfahren zur Reinigung von durch Chlorierung von 2,2-Bis-{4-hydroxyphenyl)propan erhaltenem 2,2-Bis-(4-hydroxy-3-chlorphenyl)-propan |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1237335A true GB1237335A (en) | 1971-06-30 |
Family
ID=25756338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5331169A Expired GB1237335A (en) | 1968-10-30 | 1969-10-30 | Process for the purification of tetrachlorodiane and/or dichlorodiane |
Country Status (3)
Country | Link |
---|---|
GB (1) | GB1237335A (enrdf_load_stackoverflow) |
LU (1) | LU59727A1 (enrdf_load_stackoverflow) |
NL (1) | NL6916300A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957886A (en) * | 1972-11-14 | 1976-05-18 | Bayer Aktiengesellschaft | Process for the purification of 2,2-bis-(4-hydroxy-3,5-dichlorophenyl)-propane |
-
1969
- 1969-10-29 NL NL6916300A patent/NL6916300A/xx unknown
- 1969-10-29 LU LU59727D patent/LU59727A1/xx unknown
- 1969-10-30 GB GB5331169A patent/GB1237335A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957886A (en) * | 1972-11-14 | 1976-05-18 | Bayer Aktiengesellschaft | Process for the purification of 2,2-bis-(4-hydroxy-3,5-dichlorophenyl)-propane |
Also Published As
Publication number | Publication date |
---|---|
LU59727A1 (enrdf_load_stackoverflow) | 1970-01-12 |
NL6916300A (enrdf_load_stackoverflow) | 1970-05-04 |
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